Square, Cube, Rational and Irrational

Front

What is a perfect square?

Back

A perfect square is a number that can be expressed as the square of an integer. For example, 1, 4, 9, 16, and 25 are perfect squares.

Front

Identify a perfect square from the following numbers: 14, 38, 25, 101.

Back

25 is a perfect square.

Front

What is an irrational number?

Back

An irrational number is a number that cannot be expressed as a ratio of two integers. Its decimal representation goes on forever without repeating.

Front

Which of the following is an example of an irrational number?

Back

Front

What is a rational number?

Back

A rational number is any number that can be expressed as a fraction or ratio of two integers, where the denominator is not zero.

Front

Back

0.75 is a rational number.

Front

What is the classification of the number -4?

Back

-4 is classified as an integer, rational number, and real number.

Front

What is the square root of 81?

Back

Front

What is the square of 5?

Back

Front

Is the number 0 a rational number?

Back